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Energy  > Residential Cold Boulder
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Residential Building>>Cold Climate
 
Boulder
 
In Boulder, all concrete wall types showed savings in heating and cooling costs as compared to the code-matching wall and out-performed both wood and steel walls. The best performing wall was ICF Flat Panel, performing 21% better than code, 16% better than wood, and 18% better than steel. This was followed closely by Sandwich Panel walls at 19 and 17 percent (typical and engineered respectively).  Houses with concrete walls also showed additional savings from a reduction in the required HVAC system capacity. Click Here to read the full article.
 
Energy Cost Savings and HVAC Size Reduction for
Various Wall Types in Boulder, CO
Annual HVAC Energy Cost, for Code Matching Wall in Boulder: $1,378 (US Dollars)
Wall Type
Heating and Cooling Cost Savings Based on the Code-Matching Wall, Percent
Average Furnace and Air Conditioner Size Reduction Based on the Code-Matching Wall, Percent
Code Matching
0%
0%
5%
5%
3%
3%
5%
13%
14%
18%
21%
22%
16%
20%
19%
28%
17%
25%
11%
16%
13%
22%


Boulder residentail wall performance